Antão Almada Gonçalo Lopes André Almeida João Frazão Nuno Cardoso YVision: A General Purpose Software Composition Framework. 779-788 2009 HCI (1) http://dx.doi.org/10.1007/978-3-642-02574-7_87 conf/hci/2009-1 db/conf/hci/hci2009-1.html#AlmadaLAFC09